html {
position: relative;
min-height: 100%;
}
body {
margin-bottom: 60px;
}
.footer {
position: absolute;
bottom: 0;
width: 100%;
height: 60px;
line-height: 60px;
background-color: #f5f5f5;
}

body > .container {
padding: 60px 15px 0;
}

.footer > .container {
padding-right: 15px;
padding-left: 15px;
}

code {
font-size: 80%;
}

div.dark  {
background-color: #212529;
}

div.dark > h2 {
color: #ffffff;
}

div.dark > p {
color: #ffffff;
}